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肠道微生物群Bifidobacterium与食道状细胞癌中的抗瘤免疫反应之间的关系
Haolin Wang1, Yoshifumi Baba2, Yoshihiro Hara1
1Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
Annals of surgical oncology
|March 4, 2025
概括
双杆菌可能会增强食道癌的抗瘤免疫力. 它在正常组织中的存在与更好的免疫反应和营养状况相关,但在瘤组织中,它与营养不良有关.
科学领域:
- 胃肠道微生物学
- 癌症免疫学 癌症免疫学
- 食道状细胞癌 (ESCC) 研究研究.
背景情况:
- 双杆菌是一种关键的肠道微生物,具有潜在的抗瘤作用.
- 以前的研究将Bifidobacterium与黑色素瘤抑制和增强免疫疗法联系起来.
- 在食道状细胞癌 (ESCC) 中Bifidobacterium的作用仍然未被探索.
研究的目的:
- 研究Bifidobacterium对食道状细胞癌 (ESCC) 的影响.
- 探索Bifidobacterium和ESCC患者的抗瘤免疫之间的关联.
- 评估Bifidobacterium和患者营养状况之间的关系.
主要方法:
- 对213个ESCC患者样本的分析.
- 使用定量PCR和FISH检测Bifidobacterium的检测.
- 评估整体存活率 (OS),瘤透淋巴细胞 (TIL) 和免疫标记物 (PD-1,PD-L1,CD8,FOXP3).
- 通过CT扫描评估营养状况.
主要成果:
- 双杆菌阳性与OS或TILs没有相关性.
- 在正常组织中的存在与较低的FOXP3和更好的骨肌肉指标有关.
- 瘤组织中的双杆菌与更差的预后营养指数相关.
- 双杆菌与改善的营养状况和免疫反应相关.
结论:
- 双杆菌可能会诱导高调的抗瘤免疫反应.
- 这种细菌在营养状况较好的患者中更为普遍.
- 这些发现表明Bifidobacterium在ESCC免疫调节和营养健康方面的潜在作用.
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